<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">tetradrachms</topic></authority><related type="broader"><topic>drachma coins</topic></related><variant type="other"><topic>owls</topic></variant><variant type="other"><topic>tetradrachm</topic></variant><variant type="other"><topic>tetradrachmas</topic></variant> <note xml:lang="en"><![CDATA[ Ancient Greek coins worth four drachmas, originally of pure silver but gradually debased over its lifetime from the mid-6th century BCE until about CE 300. ]]></note></mads>